CN103842211B - For the speaker system of motor vehicle - Google Patents
For the speaker system of motor vehicle Download PDFInfo
- Publication number
- CN103842211B CN103842211B CN201280047931.6A CN201280047931A CN103842211B CN 103842211 B CN103842211 B CN 103842211B CN 201280047931 A CN201280047931 A CN 201280047931A CN 103842211 B CN103842211 B CN 103842211B
- Authority
- CN
- China
- Prior art keywords
- loudspeaker
- structural member
- speaker system
- motor vehicle
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0217—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for loud-speakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
- B60R2011/0003—Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
- B60R2011/0019—Side or rear panels
- B60R2011/0021—Doors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The present invention relates to a kind of speaker system for motor vehicle, the speaker system has at least one loudspeaker（3）The loudspeaker is set thereon（3）Structure（2）.At least one loudspeaker（3）Structure is arranged on as follows（2）On：So that at least one loudspeaker（3）The longitudinal axis（4）With structure（2）The plane for extending wherein is into 0 ° to 45 ° of angle.
Description
Technical field
The present invention relates to a kind of speaker system for motor vehicle.Additionally, there is this raising one's voice the present invention relates to one kind
The motor vehicle of device system.
Background technology
By the various forms of implementation of the universal speaker system for motor vehicle known in the art.Here,
The major function that the loudspeaker worked as the transducer of electric mechanical has is the electric energy conversion that will be conducted into loudspeaker
It is sound wave.By the degree of the motion of loudspeaker, but solid part point is also produced in addition to sound wave, the solid part point is logical
Cross and be contained in the directly contact of structure therein with loudspeaker and be delivered in the structure, the structure is, for example, inner plate of car door.This
The vibration of the structure is frequently resulted in, therefore produces interference noise in a motor vehicle.
Because loudspeaker is installed along the direction of structure greatest flexibility mostly, the power produced by solid sound is transferred directly to
In structure, this more strengthens vibration.Additionally, the part adjacent with structure, such as vehicle door interior trim part are also energized vibration, this may
Additionally result in interfering vibration and undesirable noise.Another problem is to be raised because above-mentioned effect is also reduced
The sound level of the main sound wave of sound device, therefore to reach same sound level, the loudspeaker must be with Power operation higher.
A kind of speaker system for belonging to this type is as known to the A1 of WO 2008/055253.Here, the longitudinal axis of loudspeaker is put down
Row is in the structure for wherein arranging the loudspeaker.
A kind of loudspeaker is described in the A1 of GB 2 273 847, the wall of a bending is connected on the loudspeaker, the bending
Wall cause by loudspeaker produce sound wave turn to.
The A1 of US 2004/0100123 describe the loudspeaker in a kind of vehicle, its longitudinal axis install thereon relatively described in raise
The surface of sound device can have 45 ° of angle.
A kind of device for receiving loudspeaker and brake lamp simultaneously there is known by the U1 of DE 8110984.Loudspeaker and stop
Car light is installed in a common housing, and the housing is connected by base with vehicle body.
The content of the invention
Therefore, the purpose to be realized of the invention is to realize a kind of speaker system for motor vehicle, wherein, less
Partial solid sound is passed in the structure of surrounding.
According to the present invention, the purpose realizes that the speaker system has by a kind of speaker system for motor vehicle
The intermediate plate of at least one loudspeaker and the car door for passing through the motor vehicle the is formed, loudspeaker is set thereon structure,
Wherein, at least one loudspeaker is set in structure as follows：So that the longitudinal axis of at least one loudspeaker with
The plane that structure extends wherein into 0 ° to 45 ° of angle, at least one loudspeaker be arranged on it is being directly connected to structure,
In shelly, bending structural member, wherein, the structural members are the sound wave produced by loudspeaker is conducted by regulation
To in the inner chamber of motor vehicle, the structural member is connected between one end of loudspeaker and the other end of the structural member at it and directly connects
The structure is connected to, wherein, the structural member is connected at one end to loudspeaker and sends side towards sound wave from the sound of loudspeaker
Terminated in from the other end of loudspeaker pass direction extension out, and structural member and send side identical one with loudspeaker sound
Side and it is spaced apart with loudspeaker.
According to the present invention, the longitudinal axis of loudspeaker is also unlike as common perpendicular to max architecture rigidity or along structure
The direction of greatest flexibility extends, but angle at 45 ° therewith, therefore the solid sound produced by loudspeaker is along contained structure
Work in smaller flexible direction.Therefore, contained structure is with than may be significantly smaller in the case of in the common speaker system
Degree is energized vibration.Finally, can be substantially reduced by this way by noise caused by loudspeaker, this cause to become apparent from and
Preferably by the reproduction sound according to speaker system of the invention.
It is designed as further according to the present invention, at least one loudspeaker is arranged on be directly connected to structure, shelly, bending
Structural member in, the structural member towards vehicle door interior trim panel direction open wide.By the structural member of such construction, produced by loudspeaker
Sound wave be transmitted in the inner chamber of motor vehicle by regulation, this further improves by the attainable sound of speaker system
Output.Another advantage of this solution is that loudspeaker can be designed as open loudspeaker in this case,
And do not need closed or ventilated type loudspeaker.Compared with enclosed frame mode, by the open of loudspeaker
Frame mode can be with cost-effective.
Be can be designed as in the favourable design of another kind of the invention, be provided be connected with the structure, shell
Shape, bending another structural member, at least one loudspeaker arrangement is between this described structural member and another structural member.
This, can be coupled on a speaker bigger volume by another structural member, and the volume for example may be mounted in loudspeaker
There is provided in car door therein.Additionally, by two structural members, the front side of the film of loudspeaker and rear side are separated, therefore avoid
Acoustic short circuit.Additionally, can for example be realized by two structural members wet when speaker system is arranged in the car door of motor vehicle
Isolation between chamber and dry chamber.However, loudspeaker can also be arranged on the other positions of motor vehicle by this system, for example
In the after-frame of motor vehicle or in one of lateral column.Another advantage of this solution is, it is therefore prevented that from motor vehicle
Exterior space is penetrated to the direct voice in cabin in motor vehicle.
In order to realize solid sound to especially small transmission in the structure for surrounding loudspeaker, it is also contemplated that it is described at least
One longitudinal axis of loudspeaker extends in an essentially parallel manner with the plane that structure extends wherein.Therefore, the solid for being produced by loudspeaker
Sound is transmitted along the direction of the maximum rigidity of structure, therefore the vibration of membrane of loudspeaker is carried out along the flexible direction of the minimum of structure,
And therefore can only cause the very small deformation of structure.
If at least one loudspeaker is installed at following location in the structure：The structure has Gao Gang at the position
Property, then can realize the further reduction of the solid sound of generation.
Present invention additionally comprises a kind of motor vehicle with according to speaker system of the invention.
Brief description of the drawings
Embodiments of the invention are schematically described below according to accompanying drawing.
Shown in figure：
Fig. 1 is the schematic diagram according to speaker system of the invention；
Fig. 2 is the sectional view by the line II-II in Fig. 1；
Fig. 3 is shown according to a kind of alternative form of implementation of speaker system of the invention；And
Fig. 4 is the sectional view by the line IV-IV in Fig. 1.
Specific embodiment
Fig. 1 shows the schematic diagram of the car door 1 of the motor vehicle being not entirely shown, wherein, in Fig. 1 in the absence of generally setting
Vehicle door interior trim panel on the inner side of car door 1.Car door 1 has the structure 2 for being designed as intermediate plate, is provided with raises one's voice on this structure
Device 3.Loudspeaker 3 has film 3a and magnet 3b in a way known.Other parts of loudspeaker 3 are in current situations
There is no reference, because they are inessential for the present invention.Speaker system described below exemplarily has only all the time
One loudspeaker 3, but the speaker system can also have multiple loudspeakers 3.
Structure 2 extends in substantially vertical plane, and the plane is referred to as xz- planes in a motor vehicle.Structure 2 is at it
The face normal of the plane of middle extension is accordingly the y- directions extended along motor vehicle horizontal direction.Drawn by the view of Fig. 1, use accompanying drawing
The longitudinal axis that mark 4 is represented, loudspeaker 3 is arranged essentially parallel to the plane extension that structure 2 extends wherein.Here, the longitudinal axis 4 is edge
Longitudinal direction extends past the axle of the magnet 3b of loudspeaker 3.The plane that the longitudinal axis 4 of usual loudspeaker 3 extends wherein with structure 2
Into the angle between 0 to 45 °.It is that the sound wave for being additional to script by loudspeaker 3 is produced, especially by this arrangement of loudspeaker 3
The solid part point propagated along the direction of the longitudinal axis 4 of loudspeaker 3 deforms with making the only small degree of structure 2, because structure 2 is along solid sound
Effect direction thereon has high rigidity.Thus significantly smaller interference is generated compared with known speaker system to make an uproar
Sound.In addition visible in Fig. 1, loudspeaker 3 is arranged in the following location inside structure 2：The structure has on the position
High rigidity, in anterior angle, the region of relief angle in current situations namely in structure 2.
Be can be seen that in the sectional view by Fig. 2, loudspeaker 3 is arranged on be connected with structure 2, shelly, bending structure
In part 5.Two shellies, bending structural member 5 and 6 is provided with an illustrated embodiment, and loudspeaker 3 is arranged in the two knots
Between component.Opened wide towards the direction of vehicle door interior trim panel 7 in structural member 5 below here, being seen along travel direction x, therefore by raising one's voice
The sound wave that device 3 is produced is conducted by structural member 5 towards the interior cavity direction of motor vehicle.Specific aim also can just be realized by structural member 5
Sound guidance.On the contrary, the outside plate 8 of structural member 6 above towards car door 1 therefore extra volume, in current situations
The volume being namely located between structure 2 and outside plate 8 is coupled on loudspeaker 3 inside car door 1.This relates to the use of car door 1
Volume, loudspeaker 3 open frame mode.
Two structural members 5 and 6 being connected with each other by loudspeaker 3 are separated the front side of film 3a and rear side, therefore are avoided
Acoustic short circuit.Additionally, two structural members 5 and 6 will be located at the wet area between structure 2 and outside plate 8 together with structure 2 and be located at structure
The dry sealing for separating out, therefore ensuring that car door 1 between 2 and vehicle door interior trim panel 7.The solid sound produced by loudspeaker 3 passes through
Two structural members 5 and 6 are delivered in structure 2.
As shown in Figure 2, the section of two structural members 5 and 6 is respectively configured to about a quarter circle, and loudspeaker 3 is installed
Between the two structural members.In addition, on two inner sides of structural member 5 and 6, that is, at it towards the side of loudspeaker 3
On be respectively arranged with absorbing material 9, the absorbing material can be adjusted by, i.e. can pointedly absorb sound.
Two structural members 5 and 6 being for example made of plastics can be manufactured in very simple injection mold.Especially may be used
Can, the mutual Integral design of structural member 5 and 6.Structural member 5 and 6 can be with known connection method reality with the connection of structure 2
It is existing.Loudspeaker 3 can be pre-installed in two structural members 5 and 6, therefore can be by two structural members 5 and 6 and the group of loudspeaker 3
Zoarium is arranged in structure 2, and this realizes simple installation.
Figure 3 illustrates a kind of alternative form of implementation of the speaker system by Fig. 2.Here, the longitudinal axis of loudspeaker 3
4 planes extended wherein with structure 2 extend into about 45 ° of angle.Although by this way to the transmission of structure 2 compared to common
Structure type power higher, but these power may be significantly smaller, it is achieved that the smaller vibration of structure 2.The difference of loudspeaker 3
It is less constructional depth in the advantage of this arrangement of 0 ° of angle, this is probably in the particular implementation form of car door 1
It is required.The angle of the plane that the opposed configuration 2 of the longitudinal axis 4 extends wherein is in the less vibrational excitation to structure 2 and smaller
Constructional depth between it is compromise.Therefore, the angle of the plane that the opposed configuration 2 of the longitudinal axis 4 extends wherein can 0 to 45 ° it
Between.By the installation site shown in figs 2 and 3 of loudspeaker 3 it is still possible that installing the magnet 3b bigger than generally.
Fig. 4 shows arrangement of the loudspeaker 3 inside car door 1 in the cross-section, that is, in outside plate 8 and vehicle door interior trim panel
Arrangement between 7.In order to reduce the constructional depth of speaker system, the film 3a of loudspeaker 3 is designed as in an illustrated embodiment
Oval or elliptical shaped.However, film 3a can also be rectangle, circular or other shapes in principle.In addition it is also possible to using
Ribbon speaker or driver-driver.
Vehicle door interior trim panel 7 can have unshowned storage recess, and such as beverage bottle can be placed in the storage recess.
In this case, two structural members 5 and 6, preferably behind structural member 5, can match with the shape of the receiving recess.
A car door 1 of motor vehicle is illustrate only in the accompanying drawings, but it is preferred that is matched somebody with somebody in being respectively provided on two sides with for motor vehicle
If the car door of corresponding construction 2, at least one loudspeaker 3 is respectively equipped with the structure.Here, structural member 5 and if necessary
Structural member 6 both sides it is substantially the same design, and such as reversed left to right install.Being designed by this identical to be
Both sides use same mould, and it needs only to minute surface and symmetrically installs.
Used as the alternative of the installation of car door 1, at least one loudspeaker 3 can also be arranged on the miscellaneous part of motor vehicle
In, such as in other regions of A- posts, B- posts or C- posts, Rear shelf, instrument board or motor vehicle.In such case
Under, structure 2 is formed by another part, for example, formed by Rear shelf.Feelings in loudspeaker 3 is arranged on into Rear shelf
Under condition, for example headrest be may be located at before loudspeaker 3, therefore structural member 5 can slightly be protruded with respect to the face of Rear shelf.
Claims (8)
1. a kind of speaker system for motor vehicle, the speaker system has at least one loudspeaker and by described motor-driven
The intermediate plate of the car door of car the is formed, loudspeaker is set thereon structure,
Characterized in that,
At least one loudspeaker (3) is arranged in structure (2) as follows：So that at least one loudspeaker (3)
The plane that extends wherein of the longitudinal axis (4) and structure (2) into 0 ° to 45 ° of angle, at least one loudspeaker (3) is arranged on
In be directly connected to structure (2), shelly, bending structural member (5), wherein, the structural member (5) is configured to make by raising one's voice
The sound wave that device (3) is produced is transmitted in the inner chamber of motor vehicle by regulation, and the structural member (5) is connected to loudspeaker at it
The structure is directly connected between one end and the other end of the structural member, wherein, the structural member (5) is connected at one end to raise
Sound device and send side from the sound of loudspeaker and extend from loudspeaker pass direction out towards sound wave, and structural member (5)
The other end to terminate in and send side identical side with loudspeaker sound and be spaced apart with loudspeaker.
2. speaker system according to claim 1,
Characterized in that,
It is provided be connected with the structure (2), shelly, bending another structural member (6), at least one loudspeaker
(3) it is arranged between the structural member (5) and another structural member (6).
3. speaker system according to claim 1 and 2,
Characterized in that,
The plane that the longitudinal axis (4) of at least one loudspeaker (3) extends wherein with structure (2) extends in an essentially parallel manner.
4. speaker system according to claim 2,
Characterized in that,
It is circular that the section of the structural member (5) and another structural member (6) is at least approximately configured to a quarter.
5. speaker system according to claim 1 and 2,
Characterized in that,
At least one loudspeaker (3) is at the following location in structure (2)：Structure (2) tool at the position
There is high rigidity.
6. speaker system according to claim 1 and 2,
Characterized in that,
Loudspeaker (3) is with avette, oval, circular or rectangle film (3a).
7. speaker system according to claim 2,
Characterized in that,
At least one loudspeaker (3) is respectively arranged with two structures (2) of the not homonymy positioned at motor vehicle, wherein, it is described
Structural member (5) and another structural member (6) are substantially alike designed on this both sides.
8. a kind of motor vehicle of the speaker system with as any one of claim 1 to 7.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011115278.8 | 2011-09-29 | ||
| DE102011115278A DE102011115278A1 (en) | 2011-09-29 | 2011-09-29 | Speaker system for a motor vehicle |
| PCT/EP2012/003862 WO2013045036A1 (en) | 2011-09-29 | 2012-09-14 | Speaker system for a motor vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103842211A CN103842211A (en) | 2014-06-04 |
| CN103842211B true CN103842211B (en) | 2017-07-04 |
Family
ID=46888994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280047931.6A Active CN103842211B (en) | 2011-09-29 | 2012-09-14 | For the speaker system of motor vehicle |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9426550B2 (en) |
| EP (1) | EP2760704B1 (en) |
| CN (1) | CN103842211B (en) |
| DE (1) | DE102011115278A1 (en) |
| WO (1) | WO2013045036A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011115278A1 (en) | 2011-09-29 | 2013-04-04 | Audi Ag | Speaker system for a motor vehicle |
| DE102014017797B3 (en) * | 2014-12-02 | 2016-02-18 | Audi Ag | Vehicle door with loudspeaker |
| KR101778549B1 (en) * | 2016-06-21 | 2017-09-15 | 현대자동차주식회사 | Speaker device for vehicle, and vehicle having the same |
| DE102016009945A1 (en) * | 2016-08-16 | 2018-02-22 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Speaker arrangement of a motor vehicle and motor vehicle |
| CN110870327B (en) * | 2017-07-28 | 2021-08-20 | 雅马哈株式会社 | Speaker system and vehicle door |
| CN113423032B (en) * | 2021-06-30 | 2022-08-05 | 东风汽车集团股份有限公司 | A column system with loudspeaker sealing structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4625829A (en) * | 1984-03-26 | 1986-12-02 | Sirois Ronald A | Speaker grill |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8110984U1 (en) * | 1981-10-01 | Walden, Hartmut, 8132 Tutzing | Device for the simultaneous inclusion of loudspeaker and brake light | |
| DE3045127A1 (en) * | 1980-11-29 | 1982-07-01 | SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen | Brake light for vehicle - is attached adjustably behind rear window to upper plate that slides along rod |
| JPS61117750U (en) * | 1985-01-10 | 1986-07-25 | ||
| DE4131439C1 (en) | 1991-09-21 | 1993-02-25 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
| GB2273847A (en) | 1992-12-22 | 1994-06-29 | Canon Res Ct Europe Ltd | Loudspeaker having acoustic mirror. |
| DE19739425A1 (en) * | 1997-09-09 | 1999-03-11 | Bosch Gmbh Robert | Method and arrangement for reproducing a sterophonic audio signal |
| US6389147B1 (en) | 2000-12-18 | 2002-05-14 | General Motors Corporation | Audio system for multipurpose automotive vehicles having a rear opening panel |
| JP4170024B2 (en) * | 2002-06-07 | 2008-10-22 | 富士通テン株式会社 | In-vehicle speaker and its mounting structure |
| US6830275B2 (en) * | 2002-11-27 | 2004-12-14 | Brian J. Shea | Speaker mounted in recreational vehicle |
| US7313247B1 (en) * | 2005-04-25 | 2007-12-25 | Ford Global Technologies, Llc | Automotive interior trim panel with integral acoustic chamber |
| US7881488B2 (en) | 2006-11-01 | 2011-02-01 | Bose Corporation | In-plane speaker |
| US8224014B2 (en) * | 2007-04-05 | 2012-07-17 | Harman International Industries, Incorporated | Loudspeaker mounting assembly |
| US8126187B2 (en) | 2007-10-29 | 2012-02-28 | Bose Corporation | Vehicle audio system including door-mounted components |
| US8634586B2 (en) * | 2009-06-26 | 2014-01-21 | Polk Audio, Inc. | Ceiling-mounted loudspeaker enclosure |
| WO2012100962A1 (en) | 2011-01-27 | 2012-08-02 | Zimmer Gmbh | Knee prosthesis |
| DE102011115278A1 (en) | 2011-09-29 | 2013-04-04 | Audi Ag | Speaker system for a motor vehicle |
-
2011
- 2011-09-29 DE DE102011115278A patent/DE102011115278A1/en not_active Withdrawn
-
2012
- 2012-09-14 US US14/348,205 patent/US9426550B2/en active Active
- 2012-09-14 CN CN201280047931.6A patent/CN103842211B/en active Active
- 2012-09-14 EP EP12762217.3A patent/EP2760704B1/en active Active
- 2012-09-14 WO PCT/EP2012/003862 patent/WO2013045036A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4625829A (en) * | 1984-03-26 | 1986-12-02 | Sirois Ronald A | Speaker grill |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013045036A1 (en) | 2013-04-04 |
| EP2760704B1 (en) | 2017-03-01 |
| EP2760704A1 (en) | 2014-08-06 |
| DE102011115278A1 (en) | 2013-04-04 |
| US20140241547A1 (en) | 2014-08-28 |
| CN103842211A (en) | 2014-06-04 |
| US9426550B2 (en) | 2016-08-23 |
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| GR01 | Patent grant |